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1001020000122 = 232194928533721
BaseRepresentation
bin11101001000100010111…
…00010000011101111010
310112200210210201210121100
432210101130100131322
5112400042110000442
62043510124352230
7132215131416222
oct16442134203572
93480723653540
101001020000122
1135659176a0aa
121420076a5676
137351b6b91cc
1436641abd082
151b08b09884c
hexe91171077a

1001020000122 has 24 divisors (see below), whose sum is σ = 2169989558100. Its totient is φ = 333502119360.

The previous prime is 1001020000117. The next prime is 1001020000133. The reversal of 1001020000122 is 2210000201001.

It can be written as a sum of positive squares in 2 ways, for example, as 941829489441 + 59190510681 = 970479^2 + 243291^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14231779 + ... + 14301942.

Almost surely, 21001020000122 is an apocalyptic number.

1001020000122 is an abundant number, since it is smaller than the sum of its proper divisors (1168969557978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1001020000122 is a wasteful number, since it uses less digits than its factorization.

1001020000122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28535678 (or 28535675 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 1001020000122 its reverse (2210000201001), we get a palindrome (3211020201123).

The spelling of 1001020000122 in words is "one trillion, one billion, twenty million, one hundred twenty-two", and thus it is an aban number.

Divisors: 1 2 3 6 9 18 1949 3898 5847 11694 17541 35082 28533721 57067442 85601163 171202326 256803489 513606978 55612222229 111224444458 166836666687 333673333374 500510000061 1001020000122